Note 11 - Treasury Stock Transactions (Details Textual) - USD ($) $ / shares in Units, $ in Millions		6 Months Ended
Apr. 24, 2023	Jul. 01, 2023	Jul. 02, 2022	Apr. 25, 2023
Treasury Stock, Shares, Acquired (in shares)	333,686	1,579,732	406,480
Shares Acquired, Average Cost Per Share (in dollars per share)	$ 11.91	$ 13.53	$ 6.84
Stock Repurchase Program, Remaining Authorized Repurchase Amount		$ 18.3
Treasury Stock Repurchase Plan [Member]
Sales and Excise Tax Payable		$ 0.2
Maximum [Member]
Stock Repurchase Program, Authorized Amount				$ 25.0

Carrying value as of the balance sheet date of liabilities incurred through that date and payable for statutory sales and use taxes, including value added tax.

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